Normal Cognitive Ageing and Dementia

Question 1

At what age does grey matter volume begin to decrease?

Answer 1

after 20

Question 2

Where is Atrophy most prominent?

Answer 2

Prefrontal cortex

Question 3

Causes of white matter volume decline

Answer 3

• Accumulation of beta-amyloid
• Morphologic changes in neurons
• Decrease in neutron size and no. of connections between them
• Neuronal death

Question 4

What is cognition?

Answer 4

The mental action or process of acquiring knowledge and understanding through thought, experience and the senses

Question 5

Define Dementia

Answer 5

• Group of diseases that cause the irreversible decline in mental functioning

Question 6

Role of SLT

Answer 6

• assess and manage cognitive, communicative and swallowing disorders